BSE announces securities being added to and removed from the Short Term Additional Surveillance Measure (ST-ASM) framework effective November 26, 2025.
Impact
Medium
Severity
Medium
Justification
Routine surveillance measure affecting multiple securities with trading restrictions under ST-ASM framework. Important for traders and investors in affected stocks but part of regular exchange surveillance operations.
List of securities subject to Reversal Trade Cancellation Mechanism (RTCM) for December 2025, covering over 300 stocks where specific trade cancellation procedures will apply.
Impact
Medium
Severity
Medium
Justification
Affects trading operations for over 300 securities with specific trade cancellation procedures. Important for traders and market participants dealing with these stocks to understand RTCM applicability.
NSE applies Short-Term Additional Surveillance Measure (ST-ASM) Stage I to 7 securities with 50% margin requirement effective November 26, 2025, and excludes 2 securities from ASM framework.
Impact
High
Severity
High
Justification
High margin requirements of 50% minimum imposed on 7 securities under ST-ASM Stage I framework, significantly impacting trading positions and capital requirements for market participants effective November 26, 2025.
NSE announces securities being added to and removed from the Short-Term Additional Surveillance Measure (ST-ASM) framework effective October 24, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for 16 securities with 8 added to ST-ASM Stage-I and 8 removed from ASM framework, impacting investors and market participants dealing with these stocks
BSE circular detailing securities moving in and out of the Short Term Additional Surveillance Measure framework effective October 21, 2025.
Impact
Medium
Severity
Medium
Justification
Affects trading conditions for multiple securities through surveillance framework changes, impacting liquidity and trading parameters for listed companies effective October 21, 2025.
BSE announces demat auction for Settlement No. 734 covering 108 scrips across various companies for physical securities delivery shortages.
Impact
Medium
Severity
Medium
Justification
Regular demat auction affecting multiple scrips due to delivery shortages in settlement; impacts specific brokers and clients but is a standard market operation
BSE demat auction settlement listing securities and quantities for physical delivery obligation settlement dated October 14, 2025.
Impact
Medium
Severity
Medium
Justification
Routine demat auction settlement affecting multiple securities with delivery obligations. Important for affected brokers and clients but part of standard settlement process.